akbar, benoit and cinder takes 20, 80, 160 days respectively to complete a work. if each work one day alternatively, on which day will they complete the work?
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by using lcm method
total work is lcm of 20 , 80 and 160 is
160 unit work
A = 160/20 = 8 unit/days
B = 160/80 = 2 unit
C = 180/180 = 1 unit
total = 8 + 2 + 1 = 11 unit in 3 days
they work alternative
180 × 3
------------
11
= 49 days....
total work is lcm of 20 , 80 and 160 is
160 unit work
A = 160/20 = 8 unit/days
B = 160/80 = 2 unit
C = 180/180 = 1 unit
total = 8 + 2 + 1 = 11 unit in 3 days
they work alternative
180 × 3
------------
11
= 49 days....
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